| Mountain | State | Latitude | Longitude | Elevation (meters) | Elevation (feet) |
|---|
| Slangboshoek | Province of the Western Cape | -33.35 | 20.35 | 1003 | 3291 |
| Slangkop | Province of Eastern Cape | -32.1833333 | 24.2666667 | 1085 | 3560 |
| Slangkop | Province of the Western Cape | -33.95 | 21.7333333 | 557 | 1827 |
| Sleeping Giant | Province of Eastern Cape | -32.4 | 23.8666667 | 1102 | 3615 |
| Slemuka | Province of KwaZulu-Natal | -29.1833333 | 30.9333333 | 974 | 3196 |
| Slypsteenberg | Province of Eastern Cape | -33.3833333 | 23.2 | 1334 | 4377 |
| Slypsteenkop | Province of North-West | -25.6 | 26.85 | 1405 | 4610 |
| Smalberg | Province of the Western Cape | -32.4 | 19.0666667 | 1421 | 4662 |
| Smalberg | Province of the Western Cape | -32.1 | 19.4 | 486 | 1594 |
| Smiling Valley Mountain | Province of Eastern Cape | -31.0333333 | 26.7833333 | 1840 | 6037 |
| Sneelkop | Province of the Western Cape | -32.35 | 19.15 | 1532 | 5026 |
| Sneeuberg | Province of the Western Cape | -32.5166667 | 19.15 | 1546 | 5072 |
| Sneeuberghoogte | Province of Eastern Cape | -32.0833333 | 24.3166667 | 1589 | 5213 |
| Sneeukop | Province of Northern Cape | -32.3833333 | 20.4666667 | 1592 | 5223 |
| Sneeukop | Province of the Western Cape | -34.0333333 | 18.9833333 | 1456 | 4777 |
| Sneeukop | Province of the Western Cape | -32.8166667 | 19.3833333 | 1908 | 6260 |
| Sneeukop | Province of Northern Cape | -30.15 | 17.9666667 | 1394 | 4573 |
| Sneeukrans | Province of Northern Cape | -32.3 | 20.2833333 | 1633 | 5358 |
| Snow Hills | Free State | -28.5666667 | 28.5833333 | 2402 | 7881 |
| Snowdon | Province of Eastern Cape | -30.7 | 27.4666667 | 2540 | 8333 |
